This standard solution was accurately prepared in super-clean laboratory with m-nitrotoluene (99%) and sub-packed in 5ml ampoules.
本标准溶液以纯度为99%间硝基甲苯在超净实验室中准确配制并分装于5毫升安瓿中。
Them-toluidine was synthesized by catalytic hydrogenation fromm-nitrotoluene and then m-cresol and N-ethyl-m-toluidine were prepared fromm-toluidine.
本论文主要研究了间硝基甲苯液相催化加氢制备间甲苯胺并由间甲苯胺合成间甲酚和N—乙基间甲苯胺的反应工艺条件。
Them-toluidine was synthesized by catalytic hydrogenation fromm-nitrotoluene and then m-cresol and N-ethyl-m-toluidine were prepared fromm-toluidine.
本论文主要研究了间硝基甲苯液相催化加氢制备间甲苯胺并由间甲苯胺合成间甲酚和N—乙基间甲苯胺的反应工艺条件。
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